10 Best Cooling Mattress Covers 2026 in the United States

The PlushDeluxe Premium Bamboo Mattress Protector is designed to safeguard your mattress while offering comfort and cooling benefits. Made from high-quality natural bamboo fabric, this mattress protector is ultra-soft and incredibly breathable, which helps regulate heat and wick away moisture, making for a cooler sleep experience.

Its waterproof attribute is excellent for protecting against accidental spills, sweat, and other fluids, which is particularly useful for incontinence, potty training, or pet owners. The protector fits securely on various mattress types, including memory foam, latex, and spring mattresses, ensuring a snug fit without any crinkling noises, thus maintaining a peaceful sleeping environment.

Measuring 76''x80'', it accommodates mattresses up to 18'' deep and can be easily cared for with machine washing. However, it is worth noting that while it offers a good balance of breathability and moisture-wicking, the actual cooling effect may vary depending on individual heat sensitivity. Additionally, the material composition of 60% bamboo and 30% polyester may not appeal to those seeking 100% natural fibers. Nevertheless, its combination of protection, comfort, and easy maintenance makes it a strong contender for anyone in need of a reliable cooling mattress cover.

The Tempur-Pedic TEMPUR-Adapt + Cooling 3-Inch King Mattress Topper is a solid choice if you want a premium memory foam topper that adds comfort and helps keep you cool at night. Its 3-inch thickness provides a noticeable layer of pressure relief and support, which is great for those who find their bed too firm. The cooling feature is built into the foam, designed to help regulate temperature better than standard foam toppers, although it won’t be as cool as gel-infused or specialized cooling fabrics.

The topper fits a standard king mattress well and comes with stay-tight corner straps to keep it in place. The cover is washable, which makes cleaning easier, and the material is breathable enough to help with moisture-wicking, though memory foam naturally traps heat more than some other materials. It weighs 31 pounds, so it’s a bit heavy to move around regularly. For care, tossing the cover in the washing machine is straightforward, but the foam itself should be spot cleaned.

While the price is higher than many mattress toppers, the quality and the Tempur-Pedic brand reputation justify the investment if you want durable comfort and mild cooling effects. Those who prioritize strong cooling or lighter weight might want to explore other options, but this topper is well-suited for improving the sleep surface with a trusted foam material and some cooling benefits.

The SafeRest 100% Waterproof King Size Mattress Protector is a practical choice for those looking to protect their mattress from fluids and stains. Made from premium cotton terry, it offers a soft and comfortable sleeping surface.

One of its standout features is its waterproof capability, which is ideal for families with children or pets, as well as for Airbnb hosts who need durable, protective bedding. The fitted sheet style with stretchable pockets ensures a snug fit on most king-sized mattresses, which adds to its compatibility and ease of use. Additionally, it is machine washable, making it easy to care for and maintain over time.

While the product mentions being breathable and cooling, it doesn't specify any advanced cooling technology beyond the natural breathability of cotton terry. This might be less effective for those who are looking for a highly specialized cooling mattress cover. Its quiet nature also ensures a peaceful night's sleep without any crinkling noises typically associated with waterproof covers. The SafeRest mattress protector excels in protection and ease of care, but may not fully meet the needs of users specifically seeking advanced cooling features.